.city{
    width: 100vw;
    height: 100vh;
    padding-bottom: 50px;
    overflow: hidden;
    .city-key{
        width: 100%;
        height: 36px;
        line-height: 36px;
        color: #999;
        padding-left: 20px;
        background-color: #fff;
    }
    .city-name{
        width: 100%;
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        border-bottom: 1px solid #eee;
        padding-left: 20px;
        background-color: #fff;
    }
    .city-label:last-child{
        border: none;
    }
    .key{
        position: fixed;
        top: 80px;
        right: 20px;
        width: 30px;
        .key-item{
            width: 100%;
            height: 25px;
            display: flex;
            justify-content: center;
            align-items: center;
            span{
               display: block;
               width: 20px;
               height: 20px;
               font-size: 16px;
               text-align: center;
               line-height: 20px;
            }
        }
        .key-active{
            background-color: #21b97a;
            border-radius: 50%;
        }
    }
}